<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <!-- 放置标题图片 @是设置的别名-->
      <div class="title-container">
        <h3 class="title">
          <img src="@/assets/common/login-logo.png" alt="" />
        </h3>
      </div>
      <el-form-item prop="mobile">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="mobile"
          v-model.number="loginForm.mobile"
          placeholder="请输入手机号"
          name="mobile"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="请输入密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon
            :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
          />
        </span>
      </el-form-item>

      <el-button
        :loading="loading"
        type="primary"
        style="width:100%;margin-bottom:30px;"
        @click.native.prevent="handleLogin"
        class="loginBtn"
      >
        登录
      </el-button>

      <!-- <div class="tips">
        <span style="margin-right:20px;">mobile: admin</span>
        <span>password: any</span>
      </div> -->
      <div class="tips">
        <span style="margin-right:20px;">账号: 13800000002</span>
        <span>
          密码: 123456 ------------{{ $store.state.user.token }}----{{
            $store.getters.token
          }}
        </span>
      </div>
    </el-form>
  </div>
</template>

<script>
import { validUsername, validMobile } from '@/utils/validate'
// import { UserLogin } from '@/api/user'
// import { mapMutations } from 'vuex'
import { mapActions } from 'vuex'

export default {
  name: 'Login',
  data() {
    const checkName = (rule, value, callback) => {
      if (!validMobile(value)) {
        callback(new Error('请输入合理的手机号'))
      } else {
        callback()
      }
    }

    // value为输入的值 ;  callback回调  ==>这样自定义校验比较麻烦 rules里有简洁写法
    // const checkName = (rule, value, callback) => {
    //   // if (!value) {
    //   //   return callback(new Error('请输入用户名'))
    //   // } else {
    //   //   callback()
    //   // }
    //   if (/^1[3-9]\d{9}$/.test(value)) {
    //     callback()
    //   } else {
    //     callback(new Error('手机号不合法'))
    //   }
    // }
    return {
      loginForm: {
        mobile: '13800000002',
        password: '123456'
      },
      loginRules: {
        mobile: [
          // 非空校验
          { required: true, message: '用户名不能为空', trigger: 'blur' },
          // 长度校验
          // { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' },
          // validator 自定义校验规则
          { validator: checkName, trigger: 'blur' }

          // {
          //   pattern: /^1[3-9]\d{9}$/,
          //   message: '请输入合法手机号',
          //   trigger: 'blur'
          // }
        ],
        password: [
          { required: true, message: '密码不能为空', trigger: 'blur' },
          { min: 6, max: 16, message: '长度在6到16个字符', trigger: 'blur' }
        ]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    // ...mapMutations('user', ['setToken']),
    ...mapActions('user', ['Actions_setToken']),
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      // console.log(11)
      // const res = await UserLogin(this.loginForm)
      // console.log(res)
      this.$refs.loginForm.validate(valid => {
        // 开启按钮的loading状态
        this.loading = true
        if (valid) {
          // try {
          //   // 用辅助函数简化了代码  ==>代替原来的异步请求

          //   await this.Actions_setToken(this.loginForm)
          //   // 跳转到页面
          //   this.$router.push('/')
          //   // 更改loading状态
          //   // this.loading = false
          // } catch {
          //   // console.log(error)
          //   // this.loading = false
          // }
          // // 就在这里写一次也可以改变loading状态
          // this.loading = false

          // 优化第二种写法
          this.Actions_setToken(this.loginForm)
            .then(res => {
              console.log(res)
              // this.loading = false
              this.$router.push('/')
            })
            .catch(error => {
              console.log(error)
              // this.loading = false
            })
            .finally(() => {
              this.loading = false
            })
        } else {
          console.log(11)
        }
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #407ffe;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.9); // 输入登录表单的背景色
    border-radius: 5px;
    color: #454545;
  }
}
// **设置错误信息的颜色**
.el-form-item__error {
  color: #fff;
  font-size: 14px;
}
// **设置登录按钮的样式**
.loginBtn {
  background: #407ffe;
  height: 64px;
  line-height: 32px;
  font-size: 24px;
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
